./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/genady-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7587103-c3fa-43f8-8761-a7264c22257e/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7587103-c3fa-43f8-8761-a7264c22257e/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7587103-c3fa-43f8-8761-a7264c22257e/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7587103-c3fa-43f8-8761-a7264c22257e/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/genady-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7587103-c3fa-43f8-8761-a7264c22257e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7587103-c3fa-43f8-8761-a7264c22257e/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3cf25f06134410cf3fe2cb13bebb45512b92052388b257a9b0f3e089d05f1ab2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:50:18,237 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:50:18,372 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7587103-c3fa-43f8-8761-a7264c22257e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:50:18,390 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:50:18,391 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:50:18,440 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:50:18,442 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:50:18,443 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:50:18,444 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:50:18,451 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:50:18,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:50:18,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:50:18,454 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:50:18,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:50:18,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:50:18,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:50:18,458 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:50:18,459 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:50:18,459 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:50:18,460 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:50:18,461 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:50:18,461 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:50:18,462 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:50:18,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:50:18,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:18,464 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:50:18,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:50:18,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:50:18,466 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:50:18,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:50:18,468 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:50:18,468 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7587103-c3fa-43f8-8761-a7264c22257e/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7587103-c3fa-43f8-8761-a7264c22257e/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cf25f06134410cf3fe2cb13bebb45512b92052388b257a9b0f3e089d05f1ab2 [2023-11-11 23:50:18,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:50:18,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:50:18,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:50:18,905 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:50:18,906 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:50:18,907 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7587103-c3fa-43f8-8761-a7264c22257e/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-memory-alloca/genady-alloca.i [2023-11-11 23:50:22,254 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:50:22,492 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:50:22,493 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7587103-c3fa-43f8-8761-a7264c22257e/sv-benchmarks/c/termination-memory-alloca/genady-alloca.i [2023-11-11 23:50:22,514 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7587103-c3fa-43f8-8761-a7264c22257e/bin/ukojak-verify-0OAaufAVZV/data/23099e274/80d201012a4745d380c0c4ccba2fbff1/FLAG93eab6a7a [2023-11-11 23:50:22,535 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7587103-c3fa-43f8-8761-a7264c22257e/bin/ukojak-verify-0OAaufAVZV/data/23099e274/80d201012a4745d380c0c4ccba2fbff1 [2023-11-11 23:50:22,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:50:22,543 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:50:22,547 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:22,547 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:50:22,552 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:50:22,553 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:22" (1/1) ... [2023-11-11 23:50:22,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77fc9411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:22, skipping insertion in model container [2023-11-11 23:50:22,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:22" (1/1) ... [2023-11-11 23:50:22,622 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:50:22,995 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:23,007 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:50:23,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:23,115 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:50:23,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:23 WrapperNode [2023-11-11 23:50:23,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:23,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:23,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:50:23,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:50:23,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:23" (1/1) ... [2023-11-11 23:50:23,148 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:23" (1/1) ... [2023-11-11 23:50:23,171 INFO L138 Inliner]: procedures = 109, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2023-11-11 23:50:23,172 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:23,173 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:50:23,173 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:50:23,173 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:50:23,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:23" (1/1) ... [2023-11-11 23:50:23,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:23" (1/1) ... [2023-11-11 23:50:23,201 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:23" (1/1) ... [2023-11-11 23:50:23,202 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:23" (1/1) ... [2023-11-11 23:50:23,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:23" (1/1) ... [2023-11-11 23:50:23,210 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:23" (1/1) ... [2023-11-11 23:50:23,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:23" (1/1) ... [2023-11-11 23:50:23,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:23" (1/1) ... [2023-11-11 23:50:23,220 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:50:23,222 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:50:23,222 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:50:23,222 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:50:23,223 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:23" (1/1) ... [2023-11-11 23:50:23,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:23,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7587103-c3fa-43f8-8761-a7264c22257e/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:50:23,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7587103-c3fa-43f8-8761-a7264c22257e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:50:23,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7587103-c3fa-43f8-8761-a7264c22257e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:50:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:50:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:50:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:50:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:50:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:50:23,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:50:23,459 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:50:23,461 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:50:23,625 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:50:23,648 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:50:23,649 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:50:23,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:23 BoogieIcfgContainer [2023-11-11 23:50:23,652 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:50:23,653 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:50:23,653 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:50:23,665 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:50:23,665 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:50:23" (1/1) ... [2023-11-11 23:50:23,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:50:23,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:23,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2023-11-11 23:50:23,738 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2023-11-11 23:50:23,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:50:23,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:23,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:24,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:24,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:24,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2023-11-11 23:50:24,446 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2023-11-11 23:50:24,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:50:24,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:24,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:24,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:24,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:24,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2023-11-11 23:50:24,857 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2023-11-11 23:50:24,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:50:24,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:24,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:25,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:25,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:25,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-11-11 23:50:25,336 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-11-11 23:50:25,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:50:25,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:25,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:25,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:25,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:25,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2023-11-11 23:50:25,540 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2023-11-11 23:50:25,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:50:25,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:25,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:25,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:26,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:26,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2023-11-11 23:50:26,380 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2023-11-11 23:50:26,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:50:26,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:26,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:26,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:26,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:26,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2023-11-11 23:50:26,499 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2023-11-11 23:50:26,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:50:26,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:26,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:27,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:28,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:28,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2023-11-11 23:50:28,105 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2023-11-11 23:50:28,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:50:28,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:28,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:28,677 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:30,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:30,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 46 states and 67 transitions. [2023-11-11 23:50:30,233 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 67 transitions. [2023-11-11 23:50:30,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:50:30,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:30,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:30,614 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:31,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:31,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 51 states and 83 transitions. [2023-11-11 23:50:31,923 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 83 transitions. [2023-11-11 23:50:31,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:50:31,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:31,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:32,216 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:33,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:33,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 56 states and 98 transitions. [2023-11-11 23:50:33,942 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 98 transitions. [2023-11-11 23:50:33,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:50:33,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:33,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:34,325 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:36,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:36,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 63 states and 117 transitions. [2023-11-11 23:50:36,807 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 117 transitions. [2023-11-11 23:50:36,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:50:36,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:36,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:36,946 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:37,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:37,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 65 states and 124 transitions. [2023-11-11 23:50:37,711 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 124 transitions. [2023-11-11 23:50:37,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:50:37,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:37,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:37,879 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:38,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:38,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 67 states and 129 transitions. [2023-11-11 23:50:38,213 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 129 transitions. [2023-11-11 23:50:38,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:50:38,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:38,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:38,572 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:41,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:41,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 75 states and 150 transitions. [2023-11-11 23:50:41,841 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 150 transitions. [2023-11-11 23:50:41,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:50:41,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:41,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:41,996 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:42,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:42,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 78 states and 158 transitions. [2023-11-11 23:50:42,955 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 158 transitions. [2023-11-11 23:50:42,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:50:42,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:42,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:43,088 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:43,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:43,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 79 states and 160 transitions. [2023-11-11 23:50:43,528 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 160 transitions. [2023-11-11 23:50:43,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:50:43,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:43,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:44,600 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:49,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:49,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 87 states and 181 transitions. [2023-11-11 23:50:49,082 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 181 transitions. [2023-11-11 23:50:49,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:50:49,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:49,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:49,470 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:50,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:50,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 88 states and 184 transitions. [2023-11-11 23:50:50,159 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 184 transitions. [2023-11-11 23:50:50,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:50:50,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:50,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:51,360 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:55,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:55,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 93 states and 196 transitions. [2023-11-11 23:50:55,586 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 196 transitions. [2023-11-11 23:50:55,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:50:55,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:55,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:55,938 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:56,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:56,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 94 states and 199 transitions. [2023-11-11 23:50:56,352 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 199 transitions. [2023-11-11 23:50:56,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:50:56,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:56,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:57,358 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:50:59,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:59,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 97 states and 206 transitions. [2023-11-11 23:50:59,620 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 206 transitions. [2023-11-11 23:50:59,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:50:59,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:59,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:59,696 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:51:00,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:00,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 98 states and 207 transitions. [2023-11-11 23:51:00,898 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 207 transitions. [2023-11-11 23:51:00,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:51:00,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:51:00,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:51:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:51:01,250 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:51:04,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:04,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 104 states and 228 transitions. [2023-11-11 23:51:04,658 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 228 transitions. [2023-11-11 23:51:04,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:51:04,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:51:04,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:51:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:51:04,860 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:51:06,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:06,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 106 states and 235 transitions. [2023-11-11 23:51:06,191 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 235 transitions. [2023-11-11 23:51:06,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:51:06,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:51:06,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:51:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:51:06,379 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:51:06,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:06,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 108 states and 239 transitions. [2023-11-11 23:51:06,988 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 239 transitions. [2023-11-11 23:51:06,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:51:06,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:51:06,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:51:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:51:07,622 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:51:09,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:51:09,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 110 states and 240 transitions. [2023-11-11 23:51:09,342 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 240 transitions. [2023-11-11 23:51:09,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:51:09,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:51:09,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:51:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat